Home / 7,873,397.20-11,810,095.80-3,892,085.20

Finding the Fourth Proportional to 7,873,397.20, 11,810,095.80 and 3,892,085.20

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Solution

The fourth proportional to 7,873,397.20, 11,810,095.80 and 3,892,085.20 is: 5,838,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,397.20 : 11,810,095.80 = 3,892,085.20 : x
  2. Step 2: Convert to fraction form
    7,873,397.20/11,810,095.80 = 3,892,085.20/x
  3. Step 3: Cross multiply
    7,873,397.20x = 11,810,095.80 × 3,892,085.20
  4. Step 4: Simplify right side
    7,873,397.20x = 45,965,899,073,762.16
  5. Step 5: Solve for x
    x = 45,965,899,073,762.16/7,873,397.20
  6. Step 6: Final answer
    x = 5,838,127.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.